Method and Device for Processing Wireless Body Area Network Data

1. A method for processing wireless body area network data, applied to a processing device for wireless body area network data, comprising: receiving or generating sampled value reference ranges; receiving sampled data from an acquisition device of wireless body area network data, and judging a sampled value reference range to which the sampled data belong according to a sampled value of the sampled data; and processing the sampled data according to the sampled value reference range to which the sampled data belong; wherein there are a plurality of the sampled value reference ranges, and different sampled value reference ranges correspond to different coding accuracies; and said processing the sampled data according to the sampled value reference range to which the sampled data belong comprises: encoding the sampled data according to a coding accuracy corresponding to the sampled value reference range to which the sampled data belong; wherein, after said encoding the sampled data according to a coding accuracy corresponding to the sampled value reference range to which the sampled data belong, the method further comprises: recording a sampled coding value and sampling time of each sampled data, and generating a sampling log; and determining a priority of the sampling log according to coding accuracy information of a sampled data coding value and sampling time information in the sampling log; wherein said determining a priority P of the sampling log is implemented through the following way: p = { 0 , A ⁢ ⁢ sampling ⁢ ⁢ log ⁢ ⁢ only ⁢ ⁢ contains ⁢ ⁢ a ⁢ ⁢ coding ⁢ ⁢ value with ⁢ ⁢ a ⁢ ⁢ lowest ⁢ ⁢ coding ⁢ ⁢ accuracy , ∑ j = 0 N - 1 ⁢ T j T lo ⁢ ⁢ g , Others 1 , A ⁢ ⁢ sampling ⁢ ⁢ log ⁢ ⁢ contains ⁢ ⁢ a ⁢ ⁢ coding ⁢ ⁢ value with ⁢ ⁢ a ⁢ ⁢ highest ⁢ ⁢ coding ⁢ ⁢ accuracy , wherein T j = { 0 A ⁢ ⁢ coding ⁢ ⁢ value ⁢ ⁢ at ⁢ ⁢ time ⁢ ⁢ tj ⁢ ⁢ is ⁢ ⁢ a ⁢ ⁢ coding value ⁢ ⁢ with ⁢ ⁢ a ⁢ ⁢ lowest ⁢ ⁢ coding ⁢ ⁢ accuracy , t j + 1 - t j j ≠ N t cur - t j j = N T log =t cur −t first , T log is a duration of the sampling log, t cur is a current time and t first is a first sampling time of the sampling log; T j is a duration of a (j+1) th coding value in the sampling log, wherein t j is a sampling time of a (j+1) th coding value in the sampling log, j+1 denotes an item number in the sampling log and N denotes a total number of items contained in the sampling log.

2. The method according to claim 1 , wherein said processing the sampled data according to the sampled value reference range to which the sampled data belong comprises: if the sampled value reference range to which the sampled data belong is a designated normal sampled value range and satisfies a designated condition, deleting the sampled data.

3. The method according to claim 1 , wherein, the method further comprises: if the priority is greater than a first priority threshold, notifying the acquisition device to shorten a data sampling period; and if the priority is smaller than or equal to the first priority threshold, notifying the acquisition device to prolong the sampling period or maintain the sampling period unchanged.

4. The method according to claim 3 , wherein, after said determining a priority of the sampling log according to coding accuracy information of a sampled data coding value and the sampling time information in the sampling log, the method further comprises: if the priority is greater than a second priority threshold, shortening a data transmission period; and if the priority is smaller than or equal to the second priority threshold, prolonging the transmission period or maintaining the transmission period unchanged.

5. A processing device for wireless body area network data, comprising hardware performing instructions stored in a non-transitory computer readable medium which executes steps in the following modules: a first module configured to receive or generate sampled value reference ranges; a second module configured to receive sampled data from an acquisition device of wireless body area network data, and judge a sampled value reference range to which the sampled data belong according to a sampled value of the sampled data; and a third module configured to process the sampled data according to the sampled value reference range to which the sampled data belong; the first module being configured such that there are a plurality of sampled value reference ranges received or generated, different sampled value reference ranges correspond to different coding accuracies; and the third module being configured such that processing the sampled data according to the sampled value reference range to which the sampled data belong comprises: encoding the sampled data according to a coding accuracy corresponding to the sampled value reference range to which the sampled data belong; wherein the third module is configured to, after encoding the sampled data according to a coding accuracy corresponding to the sampled value reference range to which the sampled data belong, further record a sampled coding value and sampling time of each sampled data, and generate a sampling log; determine a priority of the sampling log according to coding accuracy information of a sampled data coding value and sampling time information in the sampling log; the third module is configured to determine a priority P of the sampling log through the following way: p = { 0 , A ⁢ ⁢ sampling ⁢ ⁢ log ⁢ ⁢ only ⁢ ⁢ contains ⁢ ⁢ a ⁢ ⁢ coding ⁢ ⁢ value with ⁢ ⁢ a ⁢ ⁢ lowest ⁢ ⁢ coding ⁢ ⁢ accuracy , ∑ j = 0 N - 1 ⁢ T j T lo ⁢ ⁢ g , Others 1 , A ⁢ ⁢ sampling ⁢ ⁢ log ⁢ ⁢ contains ⁢ ⁢ a ⁢ ⁢ coding ⁢ ⁢ value with ⁢ ⁢ a ⁢ ⁢ highest ⁢ ⁢ coding ⁢ ⁢ accuracy , wherein, T j = { 0 A ⁢ ⁢ coding ⁢ ⁢ value ⁢ ⁢ at ⁢ ⁢ time ⁢ ⁢ tj ⁢ ⁢ is ⁢ ⁢ a ⁢ ⁢ coding value ⁢ ⁢ with ⁢ ⁢ a ⁢ ⁢ lowest ⁢ ⁢ coding ⁢ ⁢ accuracy , t j + 1 - t j j ≠ N t cur - t j j = N T log =t cur −t first , T log is a duration of the sampling log, t cur is a current time and t first is a first sampling time of the sampling log; T j is a duration of a (j+1) th coding value in the sampling log, wherein t j is a sampling time of a (j+1) th coding value in the sampling log, j+1 denotes an item number in the sampling log and N denotes a total number of items contained in the sampling log.

6. The device according to claim 5 , wherein, the third module is configured such that processing the sampled data according to the sampled value reference range to which the sampled data belong comprises: if the sampled value reference range to which the sampled data belong is a designated normal sampled value range and satisfies a designated condition, deleting the sampled data.

7. The device according to claim 5 , wherein, the third module is configured to, if the priority is greater than a first priority threshold, notify the acquisition device to shorten a data sampling period, and if the priority is smaller than or equal to the first priority threshold, notify the acquisition device to prolong the sampling period or maintain the sampling period unchanged.

8. The device according to claim 7 , wherein, the third module is configured to, after determining a priority of the sampling log according to coding accuracy information of a sampled data coding value and the sampling time information in the sampling log, further, if the priority is greater than a second priority threshold, shorten a data transmission period; and if the priority is smaller than or equal to the second priority threshold, prolong the transmission period or maintain the transmission period unchanged.